German air forces, 1914-18 /
Sumner, Ian,1953-
Sumner, Graham.
Oxford : Osprey,
2005.
Includes bibliographical references and index.
Germany. Heer. Luftstreitkräfte
Germany. Heer. Luftstreitkräfte
Germany. Heer. Luftstreitkräfte
World War, 1914-1918